Address: 1528 Sofia, 27, Nedelcho Bonchev str., 3th Floor, 1528, Sofia, Bulgaria
Tel: +359.2.494.9320
Fax: +359.2.494.9321
Email: nevena.kobakova@stm-group.bg / office@stm-group.bg
Website: https://www.stm-group.bg/en/contacts
Facebook: https://www.facebook.com/STMGROUPLtd/
Linkedin: https://www.linkedin.com/company/stmgroup-ltd/
Linkedin (MD): https://www.linkedin.com/in/irina-velikova-3a76b2170/